Data was collected using questionnaires, see page 4 of https://ec.europa.eu/eurostat/documents/1012329/8658951/Household+data+-+Material+deprivation.pdf/5f81bcd

Data was collected using questionnaires, see page 4 of https://ec.europa.eu/eurostat/documents/1012329/8658951/Household+data+-+Material+deprivation.pdf/5f81bcd6-8b37-498b-ab06-b53b43d2bb87 https://ec.europa.eu/eurostat/documents/1012329/8658951/Hous...